8201920

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1$

素因数の和:126

約数の個数: 84

約数和(自身を含む): 20903184

約数和(自身を除く): 12701264

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 71, 76, 80, 95, 142, 152, 160, 190, 284, 304, 320, 355, 361, 380, 568, 608, 710, 722, 760, 1136, 1216, 1349, 1420, 1444, 1520, 1805, 2272, 2698, 2840, 2888, 3040, 3610, 4544, 5396, 5680, 5776, 6080, 6745, 7220, 10792, 11360, 11552, 13490, 14440, 21584, 22720, 23104, 25631, 26980, 28880, 43168, 51262, 53960, 57760, 86336, 102524, 107920, 115520, 128155, 205048, 215840, 256310, 410096, 431680, 512620, 820192, 1025240, 1640384, 2050480, 4100960, 8201920]

約数ペア:

[(1, 8201920), (2, 4100960), (4, 2050480), (5, 1640384), (8, 1025240), (10, 820192), (16, 512620), (19, 431680), (20, 410096), (32, 256310), (38, 215840), (40, 205048), (64, 128155), (71, 115520), (76, 107920), (80, 102524), (95, 86336), (142, 57760), (152, 53960), (160, 51262), (190, 43168), (284, 28880), (304, 26980), (320, 25631), (355, 23104), (361, 22720), (380, 21584), (568, 14440), (608, 13490), (710, 11552), (722, 11360), (760, 10792), (1136, 7220), (1216, 6745), (1349, 6080), (1420, 5776), (1444, 5680), (1520, 5396), (1805, 4544), (2272, 3610), (2698, 3040), (2840, 2888)]